Much like Othenio Abel, Hennig was a supporter of orthogenesis theories of evolution as was his assistant, Karl Beurlen.
Count Graf Stamati, then working for the Reich Ministry for the Occupied Eastern Territories, recalled how Abel placed doubt with the Untermensch theory at a meeting of the Ministry.
Abel Ferrara | Jessica Abel | Abel Gance | Niels Henrik Abel | Lady May Abel Smith | Cain and Abel | Abel | Abel Seyler | Abel Carlevaro | Walter Abel | Thomas Abel Brimage Spratt | Jean-Pierre Abel-Rémusat | Henry Abel Smith | Gerry Abel | Charles Abel Buffum | Abel Servien | Abel P. Upshur | Abel Maldonado | Abel Hendy Jones Greenidge | Abel-François Villemain | Abel (film) | Abel Chapman | Ricardo Abel Barbosa Ferreira | Othenio Abel | John Abel Smith | David Abel Russell |
Abel as caricatured by Spy (Leslie Ward